CVE-2026-37462

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An integer underflow in the BGPUpdate.DecodeFromBytes function (/bgp/bgp.go) of gobgp v4.3.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message."}, {"lang": "es", "value": "Un subdesbordamiento de entero en la funci\u00f3n BGPUpdate.DecodeFromBytes (/bgp/bgp.go) de gobgp v4.3.0 permite a los atacantes causar una denegaci\u00f3n de servicio (DoS) mediante el suministro de un mensaje BGP UPDATE manipulado."}], "id": "CVE-2026-37462", "lastModified": "2026-07-22T19:10:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-37462", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-03T18:13:09.672963Z", "version": "2.0.3"}}]}, "published": "2026-06-03T16:16:29.120", "references": [{"source": "cve@mitre.org", "url": "https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go"}, {"source": "cve@mitre.org", "url": "https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.3.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "gobgp", "vendor": "osrg"}], "created": "2026-06-03T17:30:35.771722+00:00", "title": "GobGP BGP UPDATE Integer Underflow Causes Denial of Service", "updated": "2026-06-04T17:30:16.439842+00:00", "vendors": ["osrg", "osrg$PRODUCT$gobgp"]}